Improve your storage solutions with our RW Base 4-Tier NSF Green Epoxy Shelving Unit. These steel shelving units are built tough, supporting up to 600 pounds per shelf. The green epoxy coating of these NSF-certified shelves resists corrosion, perfect for damp areas like walk-in coolers or freezers. Featuring vertical ribs, these storage shelves provide stability to avoid tipping. The vented design of these wire shelves ensures air circulation and prevents dust buildup, keeping items fresh. By utilizing the posts and 32 split sleeves, you can modify the shelf heights to your needs. With the casters provided, moving the shelves becomes a simple task. The shelves are 24 inches wide, 29.9 inches long, and 1.5 inches high, with 74-inch tall posts. Casters have a diameter of 5 inches. Each order includes 4 shelves, 4 posts, and 4 casters.